/**************************************
 *	inventory.h
 *	Eskun, 29 May 2009
 **************************************/

/*
	< INCLUDES HERE >
*/

class Inventory
{
	private:
		int equippedBoxID; // The ID of the box you equipped
		/*
			Inventory Linked
			List here
		*/

	public:
		Inventory();
		~Inventory();
		int returnInventoryOrbs( ItemDatabase &itemdb, int ItemID );
		int checkUsedInventoryOrbs();
		bool verifyMaxOrbs( ItemDatabase &itemdb );
		bool addItem( ItemDatabase &itemdb, Player &player, int itemID );
		bool destroyItem( Player &player, int inventorySlot );
};








/**************************************
 *	inventory.cpp
 *	Eskun, 29 May 2009
 **************************************/

#include \"inventory.h\"

Inventory::Inventory()
{

}

Inventory::~Inventory()
{
	/*
		Warning, PHP code below, I'll convert it the moment
		I grasp C++/MySQL usage.

		Anyway, this function, when destroyed, will simply
		close the connection to the database.
	*/

	mysql_close( $mysql_connection );
}

int Inventory::returnInventoryOrbs( int ItemID )
{
	return item.returnMaxOrbs( itemID );
}

int Inventory::checkUsedInventoryOrbs()
{
	/*
		Ok listen up, I forgot about how Linked Lists works
		so the below code is concept only, I'll re-touch it
		when I looked at Linked Lists again ;p

		So, inb4 OMG-NUB-GO-LEARN-LINKED-LISTS!
	*/

	// This will hold the orbs we're holding
	int usedOrbs = 0;

	// Set 'this' to the start of the list
	this = first;

	// If we're not having an empty inventory
	if( first->next != last )
	{
		// Go through the list (Player's inventory) and sum up the Orbs Usage (weight ;/)
		while( this != last )
		{
			this = this->next;
			usedOrbs += this.itemRequiredOrbs;
		}
	}

	return usedOrbs;
}

bool Inventory::verifyMaxOrbs( ItemDatabase &itemdb )
{
	/*
		Warning, PHP code below, I'll convert it the moment
		I grasp C++/MySQL usage.

		Also, this function should be done everytime onZone();
		(When people zone into another area/quest, when loading
		the data of the other zone/area, it should display the
		graphics saying *Loading...*, and in meanwhile it should
		also perform hack checks, this function being one of them.)

		When this function returns false, just for safety measures
		we can make it run again (remember queries take less than a
		millisecond to return data, if not doing 10,000 queries at
		once), and if after a 3rd check it still returns a non-matching
		data, then banhammer/suspensionslap or something.
	*/

	$result = mysql_query( "select EquipmentBoxes from ItemDatabase where id=%d", itemdb.getItemID() );	// Should speak for itself
	$array = mysql_fetch_array( $result ); 	// <- Fetch the array containing the all the information about the Box
	$boxMaxOrbs = $array["maxorbs"]; 		// <- Fetch the value of the row which holds the max orb-count(weight)

	// If the client data doesn't match with the server-side stored data, banhammer/suspensionslap
	if( equippedBoxID != $boxMaxOrbs )
	{
		return false;
	}
	else
	{
		return true;
	}

}

bool Inventory::addItem( ItemDatabase &itemdb, Player &player, int itemID )
{
	// Locally insert the item into the inventory for easier loading

	/*
		Execute SQL Query to save the item in the database as well,
		however no checking occurs here so we can keep the query to
		a minimum, remember, 1 query is better that 2 queries.

		Plus as I earlier mentioned, inventory checks will occur
		when a player zones to another zone/area/quest.
	*/
	switch( itemdb.getItemType( itemID ) )
	{
		case ITEM_USABLE:
		{
			mysql_query( "insert into inventory (playerid, itemid, itemtype) values (%d, %d, %d)", player.getPlayerID(), itemdb.getItemID(), itemdb.getItemType() );
		}
		default:
		{
			// Nullify the item dropped, and log it in the Server's DEBUG log, send an apology ingame_mail to the user and give him/her a monomate, because the code should never have to resort to 'default'
			mysql_query( "insert into inventory (playerid, itemid, itemtype) values (%d, %d, %d)", player.getPlayerID(), ITEM_MONOMATE_ID, ITEM_MONOMATE_TYPE );
		}
	}

}

bool Inventory::destroyItem( Player &player, int inventorySlot );
{
	// Locally remove the item from the inventory

	/*
		Same as above, submit it to the game's server/database but
		don't verify as that'd require a 2nd query, verifying happens
		when zoning already.
	*/

	mysql_query( "delete from inventory where playerid=%d and equipmentbox=%d and equipmentslot=%d", player.getPlayerID(), equippedBoxId, inventorySlot );
}